ALLNET 4duino Heartbeat Sensor (4duino_B29)

The ALLNET 4duino Heartbeat Sensor (4duino_B29) is a photoplethysmography (PPG) sensor module designed for heart rate detection in DIY electronics and educational projects. It uses infrared light reflection to measure pulse and outputs an analog voltage signal compatible with Arduino and other microcontrollers with an ADC.

Advantages

Easy to integrate with breadboards or PCBs via through-hole pins. Low power consumption and compact design make it ideal for portable health monitoring prototypes. Compatible with ALLNET 4duino and Arduino-compatible boards.

Suitable for

• DIY electronics projects
• Educational STEM kits
• Health monitoring prototypes
• Heart rate measurement experiments

Key specifications

• Sensor Technology: Photoplethysmography (PPG)
• Detection Method: Infrared light reflection
• Output Signal Type: Analog Voltage
• Operating Voltage: 3.3V - 5V DC
• Interface Pins: VCC, GND, Analog Out
• Compatibility: ALLNET 4duino, Arduino-compatible microcontrollers
• Measurement Target: Heart rate / Pulse
• Integrated Components: Infrared LED, Phototransistor, Signal Conditioning Circuitry
• Mounting Type: Through-hole pins for breadboard or PCB integration

Recommendations

For accurate BPM calculation, use an external ADC and implement software signal processing. Suitable for use with any microcontroller featuring an analog-to-digital converter.